/*
 *   Copyright (C) 2007  The Concord Consortium, Inc.,
 *   25 Love Lane, Concord, MA 01742
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * END LICENSE */
package org.concord.mw2d.models;

/**
 * @author Charles Xie
 * 
 */
class VectorFieldFactory {

	private VectorFieldFactory() {
	}

	static VectorField getCopy(VectorField source) {

		if (source instanceof MagneticField) {
			MagneticField mf = (MagneticField) source;
			MagneticField copy = new MagneticField();
			copy.setLocal(mf.isLocal());
			copy.setIntensity(mf.getIntensity());
			copy.setOrientation(mf.getOrientation());
			return copy;
		}

		if (source instanceof ElectricField) {
			ElectricField ef = (ElectricField) source;
			ElectricField copy = new ElectricField();
			copy.setLocal(ef.isLocal());
			copy.setAmplitude(ef.getAmplitude());
			copy.setDC(ef.getIntensity());
			copy.setFrequency(ef.getFrequency());
			copy.setOrientation(ef.getOrientation());
			return copy;
		}

		return null;

	}

}
